Method and device for receiving a degraded radionavigation...

Details Method and device for receiving a degraded radionavigation... Method and device for receiving a degraded radionavigation...

2005-10-11

2010-11-02

Payne, David C (Department: 2611)

Pulse or digital communications

Spread spectrum

Direct sequence

C375S140000, C375S147000

Reexamination Certificate

active

07826518

ABSTRACT:
The invention relates to a method of receiving a radionavigation signal. Over a first determined time correlations of the sampled signal received are calculated with a locally generated code of period T. The signal is received and the code is shifted with respect to one another from one correlation to the next correlation. Over the determined time, the signal is shifted from one correlation to the next, the code being fixed.

REFERENCES:
patent: 4813006 (1989-03-01), Burns et al.
patent: 6452961 (2002-09-01), Van Wechel
patent: 2003/0081660 (2003-05-01), King et al.
patent: 2003/0081662 (2003-05-01), Rick et al.
patent: 2005/0008106 (2005-01-01), Dong-Sik
patent: 2006/0133463 (2006-06-01), Pietila et al.
patent: 0678806 (1995-10-01), None
patent: 2001-281318 (2001-10-01), None

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